Calex Electronics supplies Pyrocouple infrared temperature sensors to packaged gas provider
Calex Electronics
Pyrocouple infrared temperature sensors
Calex Electronics’ Pyrocouple infrared temperature sensors are being used by a packaged gas provider for measuring the temperature of composite-wrapped, non-magnetic aluminium alloy and steel cylinders during filling.
Previously, the customer measured steel cylinder temperatures using magnetic probes but discovered problems when non-magnetic aluminium alloy and composite-wrapped cylinders were utilised.
Infrared measurement was deemed to be suitable for the company thanks to its response time of 240ms, its ability to connect to PCs and its ability to measure wrapped cylinders through the plastic wrapping.
As the cylinders are painted and can be icy, the Pyrocouple sensors — which have linear analogue outputs — are used.
Key information
- The sensors have a 4–20mA output for connecting to PCs
- For larger qualities of cylinders, the Pyrocouple sensors with RS485 Modbus output can be networked for direct connection to digital instrumentation
- Some types of plastic wrapping are transmissive to infrared at 8–14 microns, so the sensor can ‘see’ through them
- The sensors can therefore be used for painted steel, painted aluminium alloy and composite fibre-wrapped cylinders
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